var http_request = false;
function makePOSTRequest(url, parameters) {
   http_request = false;
   if (window.XMLHttpRequest) { // Mozilla, Safari,...
      http_request = new XMLHttpRequest();
      if (http_request.overrideMimeType) {
      	// set type accordingly to anticipated content type
         //http_request.overrideMimeType('text/xml');
         http_request.overrideMimeType('text/html');
      }
   } else if (window.ActiveXObject) { // IE
      try {
         http_request = new ActiveXObject("Msxml2.XMLHTTP");
      } catch (e) {
         try {
            http_request = new ActiveXObject("Microsoft.XMLHTTP");
         } catch (e) {}
      }
   }
   if (!http_request) {
      alert('FEHLER: Cannot create XMLHTTP instance');
      return false;
   }
  
   http_request.onreadystatechange = alertContents;
   http_request.open('POST', url, true);
   http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
   http_request.setRequestHeader("Content-length", parameters.length);
   http_request.setRequestHeader("Connection", "close");
   http_request.send(parameters);
}

function alertContents() {
   if (http_request.readyState == 4) {
      if (http_request.status == 200) {

	new Effect.Fade(document.getElementById("anmeldeform"), {duration:1});
	new Effect.Appear(document.getElementById("antwort-container"), {duration:1, queue: "end"});

         //alert(http_request.responseText);
         //result = http_request.responseText;
         //document.getElementById('result').innerHTML = result;            
      } else {
         alert('FEHLER: There was a problem with the request.');
      }
   }
}

function get(obj) {
   var poststr = "name=" + encodeURI( document.getElementById("name").value ) +
                 "&email=" + encodeURI( document.getElementById("email").value );
   makePOSTRequest('post.php', poststr);
}